Senior Full-Stack Product Engineer Equity at YC S24 AI compliance startup back

Job Title

Senior Full-Stack Product Engineer

£70K - £110K + Equity

YC S24 AI compliance startup backed by Google's Gradient Ventures with $3M in seed funding.

London, UK

Join a high-growth team of 14 revolutionizing financial crime intelligence with AI agents. You will own full-stack features across React, Node.js, and LLM systems to automate AML and KYC operations for global fintechs. This role offers high agency to build tools replacing manual human review with 80% more efficient AI solutions.

• Work directly with an elite founding team including an ex-Revolut financial crime lead and ex-Google APM on a massive, unsolved market problem.
• Significant ownership and influence over the AI strategy at a YC S24 company with real traction across the US, UK, and Canada.
• Competitive package with bi-annual salary reviews, yearly performance-based equity refreshes, and the ability to work from anywhere for four weeks annually.

• Build and maintain full-stack features from React-based explainability interfaces to Node.js backends that scale to millions of requests.
• Develop and optimize AI systems using LLMs, computer vision, and agents to automate document fraud detection and due diligence.
• Lead Dev Ops and MLOps initiatives to ensure fast deployment cycles and maintain high development velocity through robust CI/CD practices.

• Has 4+ years of full-stack experience with Type Script, React, and Node.js, coupled with strong product intuition and a user-first mindset.
• Possesses hands-on experience in AI/ML, including prompt engineering, fine-tuning pre-trained models, and working with vision models.
• Thrives in fast-paced startup environments, demonstrating the ability to own wide outcomes rather than just completing isolated tasks.